Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:12:40 2013 Optimize a model with 1320 rows, 144120 columns and 288120 nonzeros Presolve time: 0.30s Presolved: 1320 rows, 144120 columns, 288120 nonzeros Variable types: 144000 continuous, 120 integer (120 binary) Root relaxation: objective 2.025781e+05, 6686 iterations, 0.38 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 202578.065 0 7 - 202578.065 - - 0s H 0 0 218472.00000 202578.065 7.28% - 1s 0 0 202739.730 0 6 218472.000 202739.730 7.20% - 1s H 0 0 214494.00000 202739.730 5.48% - 1s 0 0 202843.981 0 6 214494.000 202843.981 5.43% - 1s 0 0 202876.402 0 4 214494.000 202876.402 5.42% - 2s 0 0 202876.521 0 4 214494.000 202876.521 5.42% - 2s 0 0 202876.521 0 4 214494.000 202876.521 5.42% - 2s 0 0 202878.166 0 4 214494.000 202878.166 5.42% - 3s 0 0 202878.745 0 4 214494.000 202878.745 5.42% - 3s 0 0 202878.846 0 4 214494.000 202878.846 5.42% - 3s 0 0 202879.923 0 3 214494.000 202879.923 5.41% - 4s H 0 0 210704.82364 202879.923 3.71% - 4s H 0 0 209573.00000 202879.923 3.19% - 4s 0 0 202879.923 0 3 209573.000 202879.923 3.19% - 4s H 0 0 209497.00000 202879.923 3.16% - 4s 0 0 202879.923 0 3 209497.000 202879.923 3.16% - 4s 0 0 202879.923 0 3 209497.000 202879.923 3.16% - 4s 0 2 202880.960 0 3 209497.000 202880.960 3.16% - 5s H 2 2 207314.64060 202888.187 2.14% 9.0 5s H 4 4 206284.96000 202906.798 1.64% 48.0 6s H 10 10 204320.00000 202931.482 0.68% 38.0 6s H 17 16 204230.00000 202931.482 0.64% 27.6 6s H 21 13 203742.00000 202931.482 0.40% 23.8 7s H 23 8 203147.00000 202931.482 0.11% 22.7 7s * 24 5 24 203064.00000 202931.482 0.07% 22.4 7s Cutting planes: Implied bound: 117 Flow cover: 6 Explored 31 nodes (8522 simplex iterations) in 7.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.030640000000e+05, best bound 2.030640000000e+05, gap 0.0%